Joke Collection Website - Public benefit messages - Why can Apple SMS only send pictures with traffic?

Why can Apple SMS only send pictures with traffic?

The method is as follows:

1, upgrade the phone's IOS to the latest version.

2. Enter the settings on the desktop.

3. Click "Cellular Mobile Network" again.

4. Turn on the "Cellular Mobile Data" switch (effective).

5. Then, selectively open or close the following applications as needed. If the phone is messed up, you can "restore the network settings" first.